Wireless speaker



FIG. 1 is a perspective view of a wireless speaker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The portion of the wireless speaker shown in broken lines is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a wireless speaker, as shown and described. 